| Vendor | Spec | Unit | Price | Currency | Date |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1101.45 | USD | 20251117 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1115.57 | USD | 20251117 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1016.72 | USD | 20251117 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 729.97 | USD | 20251116 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.2 | USD | 20251116 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.2 | USD | 20251116 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 729.97 | USD | 20251116 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 804.8 | USD | 20251116 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 903.64 | USD | 20251115 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 729.97 | USD | 20251115 |